diff options
Diffstat (limited to 'hacks/images/m6502/random.asm')
| -rw-r--r-- | hacks/images/m6502/random.asm | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hacks/images/m6502/random.asm b/hacks/images/m6502/random.asm new file mode 100644 index 0000000..9ff5d2d --- /dev/null +++ b/hacks/images/m6502/random.asm @@ -0,0 +1,11 @@ +loop: lda $fe ; A=rnd
+ sta $00 ; ZP(0)=A
+ lda $fe
+ and #$3 ; A=A&3
+ clc ; Clear carry
+ adc #$2 ; A+=2
+ sta $01 ; ZP(1)=A
+ lda $fe ; A=rnd
+ ldy #$0 ; Y=0
+ sta ($00),y ; ZP(0),ZP(1)=y
+ jmp loop
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